# Bell 412EP

- Type: Aircraft model (FAA registry)
- Registry code: 1182205
- Manufacturer (registry): BELL
- Model: 412EP
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 15
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) (OpenAirDocs)
- Holder: Bell Textron Inc.
- Registered aircraft: 26
- Page: https://openairdocs.org/model/bell-412ep

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2026-08-10](https://openairdocs.org/ad/2026-08-10): Passenger compartment equipment · B/E Aerospace Fischer Medical Seat 230/305, EC135P1, EC135T1 and 19 more. Effective May 11, 2026
- [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 2025
- [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024
- [AD 2024-16-19](https://openairdocs.org/ad/2024-16-19): Rotorcraft Tail Boom · Bell Textron 212, 412CF, 412 and 1 more. Effective Nov 8, 2024
- [AD 2024-16-01](https://openairdocs.org/ad/2024-16-01): Fuselage structure · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Sep 4, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2022-20-14](https://openairdocs.org/ad/2022-20-14): Main Rotor Gearbox · Bell Textron 204B, 205A, 205A-1 and 20 more. Effective Dec 27, 2022
- [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12): Nose/Tail Landing Gear Structure/Axle · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Nov 22, 2022
- [AD 2022-11-19](https://openairdocs.org/ad/2022-11-19): Aircraft Fuel System, Engine Oil System (Airframe) · Bell Textron 212, 412, 412CF and 1 more. Effective Jul 6, 2022
- [AD 2022-07-02](https://openairdocs.org/ad/2022-07-02): Rotorcraft Tail Boom · Bell Textron 205A, 205A-1, 205B and 5 more. Effective May 9, 2022
- [AD 2022-07-03](https://openairdocs.org/ad/2022-07-03): Flight Control System · Bell Textron 412, 412EP and 412CF. Effective Apr 27, 2022
- [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022
- [AD 2020-22-07](https://openairdocs.org/ad/2020-22-07): Nacelle/Pylon Structure · Bell Textron 412, 412CF and 412EP. Effective Nov 18, 2020
- [AD 2020-16-10](https://openairdocs.org/ad/2020-16-10): Cabin Equipment/Furnishings · Bell Textron 204B, 205A, 205A-1 and 7 more. Effective Sep 3, 2020
- [AD 2020-12-10](https://openairdocs.org/ad/2020-12-10): Tail Rotor Blades · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Jul 16, 2020
- [AD 2020-02-11](https://openairdocs.org/ad/2020-02-11): Inverter · Bell Helicopter Textron 412 and 412EP. Effective Mar 17, 2020
- [AD 2019-09-02](https://openairdocs.org/ad/2019-09-02): 7900 Engine Oil System and 2800 Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Jun 4, 2019
- [AD 2018-16-14](https://openairdocs.org/ad/2018-16-14): Emergency Flotation Section · Bell Helicopter Textron 212, 412 and 412EP. Effective Oct 4, 2018
- [AD 2013-20-18](https://openairdocs.org/ad/2013-20-18): Main Rotor Head · Bell Helicopter Textron 412, 412CF and 412EP. Effective Nov 29, 2013
- [AD 2013-16-16](https://openairdocs.org/ad/2013-16-16): Main Landing Gear Strut/Axle/Truck · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Sep 17, 2013
- [AD 2013-15-02](https://openairdocs.org/ad/2013-15-02): Tail Rotor Blades · Bell Helicopter Textron 205A, 205A-1, 205B and 5 more. Effective Aug 14, 2013
- [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013
- [AD 2013-05-14](https://openairdocs.org/ad/2013-05-14): Main Rotor Mast/Swashplate · Bell Helicopter Textron 412 and 412EP. Effective Apr 26, 2013
- [AD 2013-01-04](https://openairdocs.org/ad/2013-01-04): Main Landing Gear · Bell Helicopter Textron 412 and 412EP. Effective Mar 11, 2013
- [AD 2012-22-11](https://openairdocs.org/ad/2012-22-11): Main Rotor · Bell Helicopter Textron 412, 412CF and 412EP. Effective Dec 20, 2012
- [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06): High Landing Gear Forward Crosstube Assembly · Aeronautical Accessories AB412, AB412 EP, 205A and 7 more. Effective Dec 14, 2012
- [AD 2012-11-13](https://openairdocs.org/ad/2012-11-13): High Landing Gear Aft Crosstube Assembly · Aeronautical Accessories AB412, AB412 EP, 412 and 3 more. Effective Jul 30, 2012
- [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01): Liferafts · Agusta AB412, AB412 EP, 206A and 23 more. Effective Jan 17, 2012
- [AD 2010-26-52](https://openairdocs.org/ad/2010-26-52): Tail Rotor Blade · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Nov 15, 2011
- [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16): Crosstube · Agusta AB412, AB412 EP, 205A and 6 more. Effective Jun 8, 2010
- [AD 2007-22-02](https://openairdocs.org/ad/2007-22-02): Tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Nov 30, 2007
- [AD 2005-20-38](https://openairdocs.org/ad/2005-20-38): Reservoir assembly adapter (adapter) · Bell Helicopter Textron 212, 412 and 412EP with STC SH2820SO. Effective Oct 28, 2005
- [AD 2001-13-01](https://openairdocs.org/ad/2001-13-01): Tail Rotor Counterweight Bellcrank (bellcrank) Retention Nut (retention nut) · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective Aug 1, 2001
- [AD 2001-09-11](https://openairdocs.org/ad/2001-09-11): Tail Rotor Yoke · Agusta AB412, AB412 EP, 412 and 2 more. Effective Jun 11, 2001
- [AD 2001-08-04](https://openairdocs.org/ad/2001-08-04): Main Rotor Actuator · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective May 3, 2001
- [AD 99-23-23](https://openairdocs.org/ad/99-23-23): Measure Yolk  Inspection · Bell Helicopter Textron 412, 412CF and 412EP. Effective Dec 1, 1999
- [AD 97-11-04](https://openairdocs.org/ad/97-11-04): Mast And Spline Plate · Bell Helicopter Textron 412 and 412EP. Effective Jun 24, 1997

Historical (superseded or no longer in force):

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2018-17-01](https://openairdocs.org/ad/2018-17-01) (historical): Engine Oil System and Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Sep 5, 2018
- [AD 2015-04-04](https://openairdocs.org/ad/2015-04-04) (historical): AC Inverter · Bell Helicopter Textron 412 and 412EP. Effective Mar 11, 2015
- [AD 2011-12-08](https://openairdocs.org/ad/2011-12-08) (historical): Tail rotor (T/R) blades · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jul 5, 2011
- [AD 2009-05-09](https://openairdocs.org/ad/2009-05-09) (historical): Main rotor yoke · Bell Helicopter Textron 412, 412CF and 412EP. Effective Mar 31, 2009
- [AD 2008-10-03](https://openairdocs.org/ad/2008-10-03) (historical): Tail rotor blade assembly · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective May 21, 2008
- [AD 2007-19-53](https://openairdocs.org/ad/2007-19-53) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Dec 5, 2007
- [AD 2002-09-04](https://openairdocs.org/ad/2002-09-04) (historical): Tip Block and Tip Closure · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jun 7, 2002
- [AD 2000-18-09](https://openairdocs.org/ad/2000-18-09) (historical): Tailboom Attachment Cap Angle · Bell Helicopter Textron 412, 412CF and 412EP. Effective Sep 28, 2000

## Information bulletins (advisory) (4)

- [SAIB SW-12-38](https://openairdocs.org/saib/SW-12-38): Emergency Push Out  Window Retention. Issued Jul 30, 2012
- [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008
- [SAIB SW-07-29](https://openairdocs.org/saib/SW-07-29): High skid gear crosstubes. Issued Apr 18, 2007
- [SAIB SW-05-47](https://openairdocs.org/saib/SW-05-47): . Issued Apr 5, 2005

## Registered aircraft (26)

- [N1026Y](https://openairdocs.org/aircraft/N1026Y): [Kuwait International Aircraft Leasing Inc](https://openairdocs.org/faa-owner/KUWAIT%20INTERNATIONAL%20AIRCRAFT%20LEASING%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2005, S/N 36391
- [N110LA](https://openairdocs.org/aircraft/N110LA): [Consolidated Fire Protection](https://openairdocs.org/faa-owner/CONSOLIDATED%20FIRE%20PROTECTION), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), built 2005, S/N 36392
- [N11PP](https://openairdocs.org/aircraft/N11PP): [US Dept Of The Interior](https://openairdocs.org/faa-owner/US%20DEPT%20OF%20THE%20INTERIOR), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2003, S/N 36316
- [N14LA](https://openairdocs.org/aircraft/N14LA): [County Of Los Angeles](https://openairdocs.org/faa-owner/COUNTY%20OF%20LOS%20ANGELES), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), built 2005, S/N 36393
- [N21844](https://openairdocs.org/aircraft/N21844): [Los Angeles Police Dept Air Support Division](https://openairdocs.org/faa-owner/LOS%20ANGELES%20POLICE%20DEPT%20AIR%20SUPPORT%20DIVISION), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles), built 1999, S/N 36229
- [N219MG](https://openairdocs.org/aircraft/N219MG): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), built 1998, S/N 36218
- [N22PP](https://openairdocs.org/aircraft/N22PP): [Department Of Interior](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20INTERIOR), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 1998, S/N 36219
- [N233LC](https://openairdocs.org/aircraft/N233LC): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2000, S/N 36269
- [N282SD](https://openairdocs.org/aircraft/N282SD): [City Of San Diego](https://openairdocs.org/faa-owner/CITY%20OF%20SAN%20DIEGO), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego), built 2008, S/N 36466
- [N34JJ](https://openairdocs.org/aircraft/N34JJ): [Western USA Solutions Inc](https://openairdocs.org/faa-owner/WESTERN%20USA%20SOLUTIONS%20INC), [Kodiak, AK](https://openairdocs.org/faa-place/AK/Kodiak), S/N 36125
- [N401TL](https://openairdocs.org/aircraft/N401TL): [Turbines Ltd](https://openairdocs.org/faa-owner/TURBINES%20LTD), [West Point, NE](https://openairdocs.org/faa-place/NE/West%20Point), S/N 36228
- [N402TL](https://openairdocs.org/aircraft/N402TL): [Florida State Guard](https://openairdocs.org/faa-owner/FLORIDA%20STATE%20GUARD), [Tallahassee, FL](https://openairdocs.org/faa-place/FL/Tallahassee), built 1998, S/N 36212
- [N412AC](https://openairdocs.org/aircraft/N412AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2003, S/N 36320
- [N412ES](https://openairdocs.org/aircraft/N412ES): [Aspen Helicopters Inc](https://openairdocs.org/faa-owner/ASPEN%20HELICOPTERS%20INC), [Oxnard, CA](https://openairdocs.org/faa-place/CA/Oxnard), built 2006, S/N 36423
- [N412F](https://openairdocs.org/aircraft/N412F): [City Of Houston](https://openairdocs.org/faa-owner/CITY%20OF%20HOUSTON), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 1996, S/N 36142
- [N417AC](https://openairdocs.org/aircraft/N417AC): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2002, S/N 36309
- [N533NC](https://openairdocs.org/aircraft/N533NC): [Straight Up Leasing Inc](https://openairdocs.org/faa-owner/STRAIGHT%20UP%20LEASING%20INC), [Medford, OR](https://openairdocs.org/faa-place/OR/Medford), S/N 36403
- [N67TL](https://openairdocs.org/aircraft/N67TL): [Turbines Ltd](https://openairdocs.org/faa-owner/TURBINES%20LTD), [West Point, NE](https://openairdocs.org/faa-place/NE/West%20Point), S/N 36166
- [N681FD](https://openairdocs.org/aircraft/N681FD): [Chicago Fire Dept](https://openairdocs.org/faa-owner/CHICAGO%20FIRE%20DEPT), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), S/N 36438
- [N682FD](https://openairdocs.org/aircraft/N682FD): [City Of Chicago Fire Department](https://openairdocs.org/faa-owner/CITY%20OF%20CHICAGO%20FIRE%20DEPARTMENT), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 2001, S/N 36279
- [N721AX](https://openairdocs.org/aircraft/N721AX): [Salmon River Helicopters Inc](https://openairdocs.org/faa-owner/SALMON%20RIVER%20HELICOPTERS%20INC), [Riggins, ID](https://openairdocs.org/faa-place/ID/Riggins), built 1995, S/N 36112
- [N77TL](https://openairdocs.org/aircraft/N77TL): [Florida State Guard](https://openairdocs.org/faa-owner/FLORIDA%20STATE%20GUARD), [Tallahassee, FL](https://openairdocs.org/faa-place/FL/Tallahassee), built 1995, S/N 36116
- [N813FK](https://openairdocs.org/aircraft/N813FK): [Department Of Justice](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20JUSTICE), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2005, S/N 36388
- [N87AM](https://openairdocs.org/aircraft/N87AM): [Air Methods LLC](https://openairdocs.org/faa-owner/AIR%20METHODS%20LLC), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village), built 2003, S/N 36322
- [N985MB](https://openairdocs.org/aircraft/N985MB): [Department Of Justice](https://openairdocs.org/faa-owner/DEPARTMENT%20OF%20JUSTICE), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 2006, S/N 36390
- [N993MG](https://openairdocs.org/aircraft/N993MG): [U S Department Of Justice](https://openairdocs.org/faa-owner/U%20S%20DEPARTMENT%20OF%20JUSTICE), [Ft Worth, TX](https://openairdocs.org/faa-place/TX/Ft%20Worth), built 2007, S/N 36448

## STCs approved for it (265, first 50)

- [STC SA00680SE (2 OF 6](https://openairdocs.org/stc/SA00680SE%20(2%20OF%206): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.. Electronics International
- [STC SA01213CH](https://openairdocs.org/stc/SA01213CH): Install air ambulance conversion in accordance with Spectrum Aeromed Inc.  Drawings as listed on AML SA01213CH, or later FAA approved revision.. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SA04465NY](https://openairdocs.org/stc/SA04465NY): Installation of the iPad Mount. Avio Design Group Inc
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer.. Electronics International
- [STC SH1039NE](https://openairdocs.org/stc/SH1039NE): Remove existing starter-generator and install Aircraft Parts Corporation (APC) starter generator P/N 200SG119Q. Shurka Aerospace Inc
- [STC SH1415SO](https://openairdocs.org/stc/SH1415SO): Installation of Wire Strike Protection system; Configuration #1 - Installation P/N 364-83300-5 (Standard Skid Gear) or P/N 364-83300-7 (High Skid Gear). Magellan Aerospace
- [STC SH1523GL](https://openairdocs.org/stc/SH1523GL): Installation of Shadin engine trend monitor system.. Shadin Company Inc
- [STC SH1919NM](https://openairdocs.org/stc/SH1919NM): Fabrication and installation of P/N L8500A-1 or L8500R-1 left ski and P/N L8500A-2 or L8500R-2 right ski.. Airglas Inc.
- [STC SH205WE](https://openairdocs.org/stc/SH205WE): Installation of tail/rotor floodlights on upper surface of horizontal stabilizers.. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH2212SW](https://openairdocs.org/stc/SH2212SW): Installation of X Band radome on nose of helicopter.. AVCOM Technologies
- [STC SH2820SO](https://openairdocs.org/stc/SH2820SO): Replacement of an emergency floatation supply bottle.. Bell Helicopter Textron Inc.
- [STC SH3189SO](https://openairdocs.org/stc/SH3189SO): Installation of an external hoist in accordance with Aeronautical Accessories, Inc. Report No. AA-91064, no revision, dated January 3, 1992 or later Federal Aviation Administration (FAA) approved revisions.. Bell Helicopter Textron
- [STC SH3261SO](https://openairdocs.org/stc/SH3261SO): Installation of replacement skid tubes.. Bell Helicopter Textron Inc.
- [STC SH3311SO](https://openairdocs.org/stc/SH3311SO): Manufacture of Replacement Windows in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-92083, Rev. M, dated September 20, 2010, or later FAA approved revisions, and installation per Installation Instructions  as listed in that report.. Bell Helicopter Textron Inc.
- [STC SH3316SO](https://openairdocs.org/stc/SH3316SO): Installation of pushout window assembly.. Bell Helicopter Textron Inc.
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SH3712SW](https://openairdocs.org/stc/SH3712SW): Installation of replacement windshield.. Bell Helicopter Textron Inc.
- [STC SH3884SW](https://openairdocs.org/stc/SH3884SW): Installation of Radome assembly.. Bell Helicopter Textron Inc.
- [STC SH3885SW](https://openairdocs.org/stc/SH3885SW): Installation of external fixed step.. RSG Products
- [STC SH3886SW](https://openairdocs.org/stc/SH3886SW): Installation of Rappell System.. RSG Products Inc
- [STC SH3887SW](https://openairdocs.org/stc/SH3887SW): Installation of emergency medical service interior, configuration A and B.. RSG Products
- [STC SH4056NM](https://openairdocs.org/stc/SH4056NM): Installation of pneumatic door actuators.. Dart Aerospace USA Inc.
- [STC SH5200NM](https://openairdocs.org/stc/SH5200NM): Installation of main rotor electrostatic bonding straps.. Air Methods Corporation
- [STC SH5539NM](https://openairdocs.org/stc/SH5539NM): Installation of closed circuit refueling receiver P/N 750000-17. (412 S/N 33108 AND SUBSEQUENT). AeroControlex Group Inc
- [STC SH5707NM](https://openairdocs.org/stc/SH5707NM): Fabrication of Onboard Systems Model 200-088-03 or 200-088-04 (without Load Weight) or 200-089-03, -04, -05 or -06 (with Load Weight) cargo hook suspension systems. Onboard Systems International
- [STC SH5737NM](https://openairdocs.org/stc/SH5737NM): Replacement of Bell magnesium cargo hook bumper and ring Part Nos. 204-072-901-1 or -3, and 204-072-905-3, respectively, with Onboard bumper ring kit No. 210-092-00. Fabrication of Onboard Systems Model 210-092-00 bumper ring kit. Onboard Systems International
- [STC SH7744SW](https://openairdocs.org/stc/SH7744SW): Installation of a belly mounted SX-16 Nightsun system.. Dart Aerospace USA, Inc.
- [STC SH7745SW](https://openairdocs.org/stc/SH7745SW): Installation of a FLIR 2000 A/B thermal imager system.. Dart Aerospace USA, Inc.
- [STC SH7748SW](https://openairdocs.org/stc/SH7748SW): Installation of retractable left and right hand crew steps.. Dart Aerospace USA, Inc.
- [STC SH7763SW](https://openairdocs.org/stc/SH7763SW): Installation of rotor disc and underfuselage recognition lights. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH7832SW](https://openairdocs.org/stc/SH7832SW): Installation of tail rotor flood lights.. Texas Aviation Services
- [STC SH7852SW](https://openairdocs.org/stc/SH7852SW): Installation of fixed pilot and copilot crew steps.. Texas Aviation Services
- [STC SH7860SW](https://openairdocs.org/stc/SH7860SW): Installation of a Lucas or Breeze externally mounted rescue hoist.. AEM USA Inc.
- [STC SH7896SW](https://openairdocs.org/stc/SH7896SW): Installation of a deployable stretcher support system.. Dart Aerospace USA, Inc.
- [STC SH7967SW](https://openairdocs.org/stc/SH7967SW): Installation of Kulite P/N APTE-139-1500SG hydraulic system pressure transducer.. Benz Sales Co, Inc
- [STC SH8001SW](https://openairdocs.org/stc/SH8001SW): Installation of rappelling rings.. Heritage Aviation Ltd
- [STC SH8024SW](https://openairdocs.org/stc/SH8024SW): Installation of Kulite P/N APTE-138-50G fuel pressure transducer.. Benz Airborne Systems
- [STC SH8025SW](https://openairdocs.org/stc/SH8025SW): Installation of Kulite P/N APTE-138-50G engine oil pressure transducer.. Benz Airborne Systems
- [STC SH8026SW](https://openairdocs.org/stc/SH8026SW): Installation of Kulite P/N APTE-138-100G main transmission and combining gear box oil pressure transducers.. Benz Airborne Systems
- [STC SH8202SW](https://openairdocs.org/stc/SH8202SW): Installation of wheel fairings. STC SH1651GL must be installed prior to this STC.. Dart Aerospace USA, Inc.
- [STC SH8326SW](https://openairdocs.org/stc/SH8326SW): Installation of an avionics shelf.. Apical Industries, Inc. dba Dart Aerospace
- [STC SH8443SW](https://openairdocs.org/stc/SH8443SW): Installation of a bleed air heater system and air conditioning system.. Apical Industries Inc
- [STC SH8454SW](https://openairdocs.org/stc/SH8454SW): Installation of an EMS blackout curtain.. Dart Aerospace USA, Inc.
- [STC SH8476SW](https://openairdocs.org/stc/SH8476SW): Installation of a Lucas electric hoist.. RSG Products
- [STC SH8477SW](https://openairdocs.org/stc/SH8477SW): Installation of a four place utility seat configuration.. Bell Helicopter Textron Inc.
- [STC SH8478SW](https://openairdocs.org/stc/SH8478SW): Installation of a five place utility seat configuration.. Bell Helicopter Textron Inc.
- [STC SH8479SW](https://openairdocs.org/stc/SH8479SW): Installation of side facing utility seat configuration.. Bell Helicopter Textron Inc.
- [STC SH8610SW](https://openairdocs.org/stc/SH8610SW): Fabrication of Isolair Eliminator II Model 4600-212/412 Fire Fighting System. Isolair Inc.
- [STC SH8625SW](https://openairdocs.org/stc/SH8625SW): Installation of modified sliding bubble doors.. Dart Aerospace USA, Inc.
- [STC SH8671SW](https://openairdocs.org/stc/SH8671SW): Installation of a Bendix/King RDS84VP color weather radar system.. Texas Aviation Services

All 265: https://openairdocs.org/model/bell-412ep/stcs.md

## NTSB investigations (10)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC08WA131](https://openairdocs.org/ntsb/NYC08WA131), Mar 11, 2008: Bell 412EP (N417EV), Santa Cruz, Peru, destroyed, 10 fatal
- [NTSB CHI06GA174](https://openairdocs.org/ntsb/CHI06GA174), Jun 30, 2006: Bell UH-1H (N681FD), Chicago, IL, substantial damage. Probable cause: The in-flight separation of a tail rotor driveshaft hanger bearing due to inadequate maintenance performed by maintenance personnel. Contributing to the accident was the inability to maintain…
- [NTSB LAX95WA185](https://openairdocs.org/ntsb/LAX95WA185), Apr 24, 1995: Piper PA-18 (N82362), Guerrero Negro, Mexico, substantial damage
- [NTSB MKC85FA084](https://openairdocs.org/ntsb/MKC85FA084), Apr 15, 1985: Beech A-36 (N7244S), Gray Summit, MO, destroyed, 1 fatal
- [NTSB CHI83LA429](https://openairdocs.org/ntsb/CHI83LA429), Sep 17, 1983: Cessna 150M (N45257), Anderson, IN, substantial damage
- [NTSB FTW82FPJ12](https://openairdocs.org/ntsb/FTW82FPJ12), Jan 20, 1982: Beech G35 (N4438D), Stillwater, OK, destroyed, 2 fatal
- [NTSB ANC80DAG75](https://openairdocs.org/ntsb/ANC80DAG75), Jul 14, 1980: Cessna 150 (N60506), Cantwell, AK, substantial damage
- [NTSB OAK79DVD03](https://openairdocs.org/ntsb/OAK79DVD03), Nov 9, 1978: Piper PA-28R (N43939), Arcata, CA, substantial damage
- [NTSB FTW76FRG92](https://openairdocs.org/ntsb/FTW76FRG92), Sep 12, 1976: Bell 206A (N2291W), Boerne, TX, substantial damage
- [NTSB CHI70DBD17](https://openairdocs.org/ntsb/CHI70DBD17), Feb 16, 1970: Lockheed Ga 1329 (N1207Z), Desplaines, IL, substantial damage

## FAA accident and incident reports (25)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20210627011009I](https://openairdocs.org/incident/20210627011009I), Jun 27, 2021: Bell 412EP (N682FD), Chicago, IL, Minor damage. Pilot landed on a platform (dolly). He noted movement in the front of the skids and initiated a go around. During the go around, the rear of a skid hit the…
- [Incident 20170318021609I](https://openairdocs.org/incident/20170318021609I), Mar 18, 2017: Bell 412EP (N87AM), Decatur, TX, Minor damage. On March 18, 2017 at 0910 at the united rotorcraft facility in Decatur, Texas, a maintenance run on a Bell 412 was being performed by one technician and one…
- [Incident 20100713037429I](https://openairdocs.org/incident/20100713037429I), Jul 13, 2010: Gulfstream G-IV (N412WW), Tomball, TX, Minor damage. On 07/13/2010 at 1540 CDT, aircraft was given takeoff clearance from kdwh airport on runway 17R. As aircraft proceeded on taxiway-a around the sharp, narrow…
- [Accident 20060630026979A](https://openairdocs.org/incident/20060630026979A), Jun 30, 2006: Bell UH1H (N681FD), Chicago, IL, Destroyed. (-23) Aircraft departed 95th st heliport in response to a reported incident in the proximity of north ave beach @ approximately 41st and the lake. An…
- [Incident 20060210001179I](https://openairdocs.org/incident/20060210001179I), Feb 10, 2006: Beech B300 (N3070R), Wichita, KS. (-23) The aircraft had departed bec for omaha. Enroute, at approximately midpoint of the flight, the pilot noticed an oil pressure needle fluctuation of…
- [Incident 19920421013679I](https://openairdocs.org/incident/19920421013679I), Apr 21, 1992: Beech E90 (N2043C), Huntington, WV. Smoke from left engine after takeoff. Returned. Fitting on oil line to torque transmitter loose. Oil on engine.
- [Incident 19910714041909I](https://openairdocs.org/incident/19910714041909I), Jul 14, 1991: Piper PA23250 (N62754), Louisville, KY. After departure irrational passenger grabbed pilots mike and copilots control wheel. Pilot managed to land safely.
- [Incident 19900809049899I](https://openairdocs.org/incident/19900809049899I), Aug 9, 1990: Piper PA23250 (N62754), Chicago, IL. Experienced right alternator failure on departure. Returned and landed safely.
- [Incident 19891022055439I](https://openairdocs.org/incident/19891022055439I), Oct 22, 1989: Bolkms BO105S (N106AL), Cameron, LA. NR2 engine lost power. Precautionary landing. Foreign object damage to engine compressor. Had failed stator vane.
- [Incident 19881122063269I](https://openairdocs.org/incident/19881122063269I), Nov 22, 1988: Cessna 180J (N52194), Riverside, CA, Minor damage. Struck a parked aircraft while taxiing to the active runway. Minor damage to both aircraft.
- [Incident 19860212012319I](https://openairdocs.org/incident/19860212012319I), Feb 12, 1986: Cessna 414 (N8067Q), Baker, MT, Minor damage. Landed in snow beside runway causing collapse of gear. Runway lights were notamed out of service.
- [Accident 19850415055119A](https://openairdocs.org/incident/19850415055119A), Apr 15, 1985: Beech A36 (N7244S), Gray Summit, MO, Destroyed. Aircraft descended into trees and impacted ground after pilot lost consciousness. History of arrhythmias.
- [Incident 19840127010749I](https://openairdocs.org/incident/19840127010749I), Jan 27, 1984: Beech 76 (N6013U), Los Angeles, CA, Minor damage. Taxied with nose wheel on double yellow edge marking on taxiway. A prop struck a taxiway light.
- [Incident 19831209069819I](https://openairdocs.org/incident/19831209069819I), Dec 9, 1983: Doug DC10* (N6013U), Denver, CO, Minor damage. No 7 wheel separated from aircraft on takeoff. Landed safely. Wheel bearings had failed from cosmoline contaminatio
- [Accident 19830917049411A](https://openairdocs.org/incident/19830917049411A), Sep 17, 1983: Cessna 150M (N45257), Anderson, IN, Substantial damage. Landed on top of a departing aircraft N2462G. Did not call on UNICOM or see the aircraft on its takeoff roll.
- [Incident 19820611032539I](https://openairdocs.org/incident/19820611032539I), Jun 11, 1982: Bell 222 (N2291W), Houston, TX, Minor damage. Skid assembly PN222035370103, departed aircraft in flight. Fell on house roof. Skid attach bolt broke.
- [Incident 19820331018379I](https://openairdocs.org/incident/19820331018379I), Mar 31, 1982: Cessna 172P (N63203), Valparaiso, IN, Minor damage. Airplane flipped up on nose and right wing while taxiing for takeoff in severe gusty surface wind.
- [Accident 19820119001439A](https://openairdocs.org/incident/19820119001439A), Jan 19, 1982: Beech G35 (N4438D), Stillwater, OK, Destroyed, 1 fatal. VFR pilot departed into low ceiling and fog. Lost control, flew into trees. Unskilled in type. No weather brief.
- [Incident 19810722056389I](https://openairdocs.org/incident/19810722056389I), Jul 22, 1981: Doug DC6 (N34957), Berkeley, MO. After landing,#4 engine on fire. Put out with CO2.#11 intake pipe disconneted. Investigation continued.
- [Accident 19800714025619A](https://openairdocs.org/incident/19800714025619A), Jul 14, 1980: Cessna 150 (N60506), Cantwell, AK, Substantial damage. Student pilot lost power and crashed during emergency landing on unsuitable terrain.
- [Incident 19790703018459I](https://openairdocs.org/incident/19790703018459I), Jul 3, 1979: Piper PA18150 (N62734), Whitehall, MT, Minor damage. Left wheel of airplane dropped in a ditch while taxiing in a field, damaged left wingtip.
- [Incident 19790422024529I](https://openairdocs.org/incident/19790422024529I), Apr 22, 1979: Piper PA18150 (N82362), Minneapolis, MN, Minor damage. Pilot applied excessive brakes during turn off the runway.
- [Incident 19781205022389I](https://openairdocs.org/incident/19781205022389I), Dec 5, 1978: Beech 76 (N6013U), Amarillo, TX, Minor damage. Commercial pilot being checked out in the airplane. Retracted the gear instead of the flaps on rollout.
- [Accident 19781109035939A](https://openairdocs.org/incident/19781109035939A), Nov 9, 1978: Piper PA28R201T (N43939), Arcata, CA, Substantial damage
- [Accident 19760912027639A](https://openairdocs.org/incident/19760912027639A), Sep 12, 1976: Bell 206A (N2291W), Boerne, TX, Substantial damage. Sepn of compressor discharge pressure probe filter assembly caused eng to go to flight idle.

## Service difficulty reports (181, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2025FA0000642](https://openairdocs.org/sdr/2025FA0000642), Sep 12, 2025: STATIC INVERTER. OVERHEATED. THE CREW CAME OUT FOR A TRAINING FLIGHT, STARTED THE AIRCRAFT JUST FINE AND IDLED ON DECK FOR A FEW MINUTES. UPON TAKE OFF THE #1 INVERTER SWITCH TURNED ITSELF 
- [SDR 2023FA0000361](https://openairdocs.org/sdr/2023FA0000361), Mar 27, 2023: FITTING. SHEARED. DURING CRUISE FLIGHT EXPERIENCED A TOTAL LOSS OF ALL MAIN ROTOR TRANSMISSION FLUID DUE TO FAILURE OF 1 ELBOW FITTING (P/N: AS1040W0404). EMERGENCY LANDING PERFO
- [SDR RV1R2020010800019](https://openairdocs.org/sdr/RV1R2020010800019), Sep 30, 2019: ELASTOMER. FAILED. FAILED ELASTOMER FOUND DURING REMOVAL FOR MAST SEAL REPLACEMENT. THIS PART CAN ONLY BE INSPECTED WITH MR HUB DISASSEMBLED AND THE ONLY REQUIREMENT FOR THIS INSP
- [SDR RV1R20191002466](https://openairdocs.org/sdr/RV1R20191002466), Sep 30, 2019: BEARING. SEPARATED. COMPLETE SEPERATION OF THE PIVOT BEARING ELASTOMER FROM THE BASE. NOT VISABLE WITH THE BLADES INSTALLED, TOTAL FAIURE HAD NOT TAKEN PLACE 7.0 HOURS AGO.THIS ITE
- [SDR 2019FA0000239](https://openairdocs.org/sdr/2019FA0000239), Aug 1, 2019: BELLCRANK. LOOSE. THE HELICOPTER EXPERIENCED A TORQUE AND RPM FLUCTUATION SHORTLY AFTER TAKE-OFF. A FAULTY AUTOMATIC FUEL CONTROL UNIT WAS REPLACED. DURING THE ENGINE RIGGING PRO
- [SDR CA190604022](https://openairdocs.org/sdr/CA190604022), Jun 4, 2019: CABLE. OUT OF RIG. (CAN) ON INSPECTION, FACTORY LEAD SEAL BROKEN AND LIFE RAFT ACTUATING CABLES WERE FOUND TO BE OUT OF RIG I.A.W. MANUFACTURES ICA DIMENSIONS (PARA 4.4.6 & 4.4.7)
- [SDR CA190510007](https://openairdocs.org/sdr/CA190510007), May 9, 2019: CABLE. OUT OF RIG. (CAN) AFTER A SUCCESSFUL FLOAT DEPLOYMENT AND INFLATION FROM COCKPIT DURING THE 36 MONTH INSPECTION, THE LIFE RAFT DEPLOYMENT HANDLE WAS CYCLED NUMEROUS TIMES B
- [SDR 2018FA0000303](https://openairdocs.org/sdr/2018FA0000303), Jul 25, 2018: BEVEL GEAR. WORN. DURING ROUTINE MAINTENANCE / MODIFICATION IT WAS VISUALLY NOTED THAT THERE WAS AN ABNORMAL WEAR PATTERN ON THE SPIRAL BEVEL GEAR INSIDE THE MAIN ROTOR TRANSMISS
- [SDR CA180510007](https://openairdocs.org/sdr/CA180510007), May 10, 2018: WIRE. CHAFED. (CAN) PART NUMBERS: D38999/26WA98SN AND 30-269-1P09N05 WIRING THROUGH EMI CONNECTOR CONTACTS AND CHAFES ON BACKSHELL 90 DEGREE BEND AND SHORTS TO GROUND GIVING 
- [SDR 2017FA0000222](https://openairdocs.org/sdr/2017FA0000222), May 30, 2017: WINDSCREEN. CRACKED. EN ROUTE TO HOMEBASE, PILOT NOTICED WINDSCREEN WAS CRACKED
- [SDR QMLA2016072516085](https://openairdocs.org/sdr/QMLA2016072516085), Jul 25, 2016: WINDSHIELD. CRACKED. ON NR 1 ENGINE START UP THE CO-PILOT WINDSCREEN CRACKED APPROX. 28" ALONG THE LOWER EDGE. THE PILOT SHUT DOWN THE ENGINE AND WROTE UP THE DISCREPANCY. MECHANICS
- [SDR CA150911005](https://openairdocs.org/sdr/CA150911005), Sep 2, 2015: ENGINE. POWER LOSS. (CAN) WHILE ON APPROACH THE ACFT LOST POWER FROM NR 2ENGINE. CREW MADE A EMERGENCY CALL OUT AND TOOK APPROPRIATE EMERGENCY ACTION TO STABILIZE THE FLIGHT FOR SI
- [SDR CA150727014](https://openairdocs.org/sdr/CA150727014), Jul 24, 2015: CLUTCH. SLIPPED. (CAN) ON HOIST OPERATION, THE RESCUE SPECIALIST REPORTED A SLIPPAGE FROM THE HOIST CABLE WHILE DESCENDING ON THE SITE. THE UNIT IS NOT INCLUDED IN THE LIST OF A
- [SDR CA150709001](https://openairdocs.org/sdr/CA150709001), Jun 26, 2015: BEARING. SEPARATED. (CAN) THE QUALITY OF RIDE IN THE HELICOPTER DEGRADED AND THE HUMS SYSTEM ALSO HAD INDICATED AN ISSUE. DURING THE INVESTIGATION, IT WAS FOUND THAT THE PIVOT BEAR
- [SDR CA150602010](https://openairdocs.org/sdr/CA150602010), May 16, 2015: ENGINE. OVERTEMP. (CAN) REPORTED THAT DURING A TRAINING FLIGHT, ENGINE NR 1 OVERTEMPED WHEN GOVERNOR WAS SWITCHED FROM AUTO TO MAN WITH N1 AT 70 PERCENT. GROUND INSPECTION PERFOR
- [SDR CA141202002](https://openairdocs.org/sdr/CA141202002), Nov 3, 2014: ENGINE. MAKING METAL. (CAN) BEFORE TAKEOFF, PILOT REPORTED THAT THE CHIP DETECTOR CAUTION LIGHT WAS ILLUMINATED, THUS THE PILOT PROCEEDED TO SHUTDOWN THE ENGINE AND THE FLIGHT WAS AB
- [SDR 9EKA20141030012](https://openairdocs.org/sdr/9EKA20141030012), Oct 29, 2014: OIL COOLER. CRACKED. DURING 1000 HOUR INSPECTION OF OIL COOLERS MULTIPLE CRACKS ON VANE WELDS WERE FOUND.
- [SDR CA141003002](https://openairdocs.org/sdr/CA141003002), Oct 2, 2014: WIRE. SMOKE. (CAN) WHEN STARTING ENGINE NR 1 WITH BATTERY POWER IN AUTO MODE, AND UPON REACHING 61 PERCENT NG, ELECTRICAL SMOKE WAS NOTICED COMING OUT FROM UNDER THE COPILOT
- [SDR CA140908028](https://openairdocs.org/sdr/CA140908028), Sep 4, 2014: YOKE. UNSERVICEABLE. (CAN) DURING THE DAILY INSPECTION IT WAS NOTICED THAT 1 TAIL ROTOR YOKE FEATHERING BEARING OUTER RACE STAKE HAD FAILED. UPON FURTHER INVESTIGATION ALL 4 TAIL RO
- [SDR CA140813006](https://openairdocs.org/sdr/CA140813006), Aug 2, 2014: BLADE. DELAMINATED. (CAN) MAIN ROTOR BLADE DELAMINATION FOUND DURING INSPECTION. LOCATION WAS INBD OF THE INBD TRIM TAB. THE MAIN ROTOR BLADE IS ON CONDITION. BLADE REPLACED AND AC
- [SDR CA131118023](https://openairdocs.org/sdr/CA131118023), Nov 18, 2013: CLEVIS. CRACKED. (CAN) DURING 2500HR INSPECTION OF A THE MAIN ROTOR HEAD, ONE DROOP RESTRAINT CLEVIS WAS FOUND TO HAVE A LENGTHWISE CRACK RUNNING ENTIRE LENGTH OF CLEVIS.
- [SDR CA131118006](https://openairdocs.org/sdr/CA131118006), Nov 5, 2013: GEAR. FAILED. (CAN) THE ACFT RETURNED TO BASE WITHOUT COMPLETING ITS MISSION DUE TO ENGINE NR 2 CHIP WARNING. THE AFFECTED POWER SECTION WAS APPARENTLY SHUTDOWN. POST FLIGHT 
- [SDR CA130701009](https://openairdocs.org/sdr/CA130701009), Jun 14, 2013: OIL SYSTEM. LOW PRESSURE. (CAN) THE PILOT SHUTDOWN THE ENGINE NR 1 DUE TO OIL PRESSURE LOST.
- [SDR CA130416012](https://openairdocs.org/sdr/CA130416012), Apr 4, 2013: ENGINE. SHUTDOWN. (CAN) IN PREPARATION OF THE ENGINE SHUTDOWN, ENGINES THROTTLES WERE BROUGHT DOWN TO FLIGHT IDLE, APPROXIMATELY 80 PERCENT NR, ALLOWING FOR COOLING PERIOD. ALL O
- [SDR CA121022005](https://openairdocs.org/sdr/CA121022005), Sep 27, 2012: LINE. BROKEN. (CAN) THIS HELICOPTER HAS EXPERIENCED ITS SECOND BROKEN P3 AIR LINE, IN 600 HOURS ON ENGINE NR 1. THE PREVIOUS EVENT WAS WITH PS TH0727 IN THE SAME POSITION ON 
- [SDR ALGA2012061804](https://openairdocs.org/sdr/ALGA2012061804), Jun 18, 2012: SUPPORT CASE. CRACKED. CRACKED SUPPORT CASE BEYOND LIMITS.
- [SDR ALGA2012061406](https://openairdocs.org/sdr/ALGA2012061406), Jun 14, 2012: CROSSTUBE. CORRODED. CROSSTUBE, CORROSION BEYOND LIMITS.
- [SDR ALGA2012061307](https://openairdocs.org/sdr/ALGA2012061307), Jun 13, 2012: CROSSTUBE. CORRODED. CROSSTUBE, CORROSION BEYOND LIMITS.
- [SDR ALGA2012052216](https://openairdocs.org/sdr/ALGA2012052216), May 22, 2012: CROSSTUBE. CORRODED. CROSSTUBE HAS CORROSION BEYOND LIMITS IN ZONE 2.
- [SDR ALGA2012052215](https://openairdocs.org/sdr/ALGA2012052215), May 22, 2012: CROSSTUBE. CORRODED. CROSSTUBE HAS CORROSION BEYOND REPAIR LIMITS IN ZONE 1 & 2.
- [SDR ALGA2012051401](https://openairdocs.org/sdr/ALGA2012051401), May 14, 2012: CROSSTUBE. CORRODED. CROSSTUBE CORRODED BEYOND REPAIRABLE LIMITS.
- [SDR ALGA2012051103](https://openairdocs.org/sdr/ALGA2012051103), May 11, 2012: BLOWER. WORN. OIL COOLER BLOWER WORN, REPLACED ONE BEARING, PN 47-134-2 AND 1 EA BEARING, PN 47-146-1 BOTH DUE TO WEAR BEYOND REPAIRABLE LIMITS. REPLACED 1 EA GUIDE VANE PN 2
- [SDR ALGA2012050202](https://openairdocs.org/sdr/ALGA2012050202), May 2, 2012: SKIN. CORRODED. LOWER SKIN CORRODED BEYOND LIMITS AT STA 69.00.
- [SDR ALGA2012050201](https://openairdocs.org/sdr/ALGA2012050201), May 2, 2012: WEB. CORRODED. BOTTOM FLANGE ON WEB CORRODED BEYOND LIMITS FROM LBL 12.68 TO RBL12.68 ST. 69.00.
- [SDR ALGA2012041801](https://openairdocs.org/sdr/ALGA2012041801), Apr 18, 2012: SHAFT. SHEARED. OIL COOLER BLOWER HAS A SHEARED SHAFT.
- [SDR ALGA2012032602](https://openairdocs.org/sdr/ALGA2012032602), Mar 26, 2012: PANEL. CORRODED. PANEL HAS CORROSION AND SEPARATION BEYOND LIMITS.
- [SDR ALGA2012321000004](https://openairdocs.org/sdr/ALGA2012321000004), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100003](https://openairdocs.org/sdr/ALGA2012032100003), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100002](https://openairdocs.org/sdr/ALGA2012032100002), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA2012032100001](https://openairdocs.org/sdr/ALGA2012032100001), Mar 21, 2012: BEARING. WORN. MAIN ROTOR DRIVE LINK BEARING WORN BEYOND LIMITS.
- [SDR ALGA201203121202](https://openairdocs.org/sdr/ALGA201203121202), Mar 12, 2012: SKIN. CORRODED. DOOR HAS CORROSION BEYOND REPAIRABLE LIMITS.
- [SDR ALGA3121201](https://openairdocs.org/sdr/ALGA3121201), Mar 12, 2012: SKIN. CORRODED. CREW DOOR SKIN HAS CORROSION BEYOND REPAIR LIMITS.
- [SDR ALGA20122281205](https://openairdocs.org/sdr/ALGA20122281205), Feb 28, 2012: SLEEVE. CORRODED. TRANSMISSION SLEEVE CORRODED BEYOND LIMITS.
- [SDR ALGA20122281204](https://openairdocs.org/sdr/ALGA20122281204), Feb 28, 2012: CASE. CORRODED. TRANSMISSION CASE CORRODED BEYOND LIMITS.
- [SDR ALGA20122281203](https://openairdocs.org/sdr/ALGA20122281203), Feb 28, 2012: COVER. CORRODED. TRANSMISSION CORRODED BEYOND LIMITS.
- [SDR ALGA20122281202](https://openairdocs.org/sdr/ALGA20122281202), Feb 28, 2012: CASE. CORRODED. CORRODED BEYOND LIMITS.
- [SDR ALGA20122281201](https://openairdocs.org/sdr/ALGA20122281201), Feb 28, 2012: SUPPORT CASE. CORRODED. TRANSMISSION SUPPORT CASE CORRODED BEYOND LIMITS.
- [SDR ALGA20122271211](https://openairdocs.org/sdr/ALGA20122271211), Feb 27, 2012: PANEL. CORRODED. PANEL ON TAILBOOM CORRODED BEYOND LIMITS
- [SDR ALGA20122271210](https://openairdocs.org/sdr/ALGA20122271210), Feb 27, 2012: SUPPORT. CRACKED. SUPPORT CRACKED BEYOND LIMITS.
- [SDR ALGA20122271209](https://openairdocs.org/sdr/ALGA20122271209), Feb 27, 2012: STRUCTURE. SEPARATED. ENGINE DECK STRUCTURE HAS SEPARATION BEYOND LIMITS.

All 181: https://openairdocs.org/model/bell-412ep/reports.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Bell Textron Canada 412EP](https://openairdocs.org/model/bell-textron-canada-412ep): 33 registered aircraft, registry code 1182217
- [Bell Helicopter Textron Canada 412EP](https://openairdocs.org/model/bell-helicopter-textron-canada-412ep): 17 registered aircraft, registry code 1182157

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